Home / 1,213,928.19-1,675,220.99-670,064.11

Finding the Fourth Proportional to 1,213,928.19, 1,675,220.99 and 670,064.11

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Solution

The fourth proportional to 1,213,928.19, 1,675,220.99 and 670,064.11 is: 924,688.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,213,928.19 : 1,675,220.99 = 670,064.11 : x
  2. Step 2: Convert to fraction form
    1,213,928.19/1,675,220.99 = 670,064.11/x
  3. Step 3: Cross multiply
    1,213,928.19x = 1,675,220.99 × 670,064.11
  4. Step 4: Simplify right side
    1,213,928.19x = 1,122,505,454,179.30
  5. Step 5: Solve for x
    x = 1,122,505,454,179.30/1,213,928.19
  6. Step 6: Final answer
    x = 924,688.51

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.